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no-contact thermometer

  • A school official shows a pupil an infrared digital laser thermometer before taking his temperature in Lagos, Nigeria, in September. Starting this week, similar hand-held devices are checking foreheads for fever at some U.S. airports.
    How A No-Touch Thermometer Detects A Fever
    Alison Bruzek
    Some U.S airports scanning passengers for Ebola are using hand-held infrared thermometers to help detect fever. The devices aren't perfect but do contribute to the safety net, health officials say.